English Grammar Tests-Elementary Level's archive Vocabulary Practice: Bottlenose Dolphins 1.Dolphins are mammals. There are various types of dolphins but bottlenose dolphins are the most common dolphin . species summary flight 2.Dolphins live in the ocean. Oceans are made up of water. filtered salt fresh 3.Dolphins are very intelligent and use whistles and squeaks to with other dolphins. melt arrest communicate 4.They understand each other well and scientists believe that they have their own . language books cards 5.Dolphins look like they have fun in the ocean because they play with each other as well as out of the water. Another word for this is jump. shriek run leap 6.Dolphins and whales are examples of sea or mammals because they are warm-blooded but live in the ocean. marine air land 7.Fish and sharks, however, are -blooded animals. cold warm hot 8.Fish can breathe under water because they have . Dolphins don't have these. ears gills scales 9.Dolphins don't have like fish but, instead, have smooth, rubbery skin. surfs fur scales 10.Fish can breathe under water but dolphins have so they must come up to the surface for air. hearts kidneys lungs . English Grammar Tests-Elementary Level's archive Vocabulary Practice: Bottlenose Dolphins 1.Dolphins are mammals. There